<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The study included a sheep flock comprising five genetic groups. The ELISA was applied to perform constant monitoring (every six months) for the infection of ewes with small ruminant lentivirus (SRLV). The research results demonstrated a negative effect of SRLVs infection on lamb rearing that, depending on the genetic group, proved to be lower 1.3%-1.4% compared to the seronegative mothers. At relatively equal fertility (94%-100%) and more differentiated prolificacy (179%-198%) in all the examined groups (except the Suffolk breed), a rearing index was higher in the seronegative animals 6.8%-24.1% compared to the seropositive mothers. The Suffolk breed proved to be the genetic group most susceptible to SRLV infection. A prolificacy of infected ewes was 10% lower, a lamb rearing rate was 13% lower , and a general reproductive performance was 18% lower in comparison to healthy ewes.</p></abstract>

The study included a sheep flock comprising five genetic groups. The ELISA was applied to perform constant monitoring (every six months) for the infection of ewes with small ruminant lentivirus (SRLV). The research results demonstrated a negative effect of SRLVs infection on lamb rearing that, depending on the genetic group, proved to be lower 1.3%-1.4% compared to the seronegative mothers. At relatively equal fertility (94%-100%) and more differentiated prolificacy (179%-198%) in all the examined groups (except the Suffolk breed), a rearing index was higher in the seronegative animals 6.8%-24.1% compared to the seropositive mothers. The Suffolk breed proved to be the genetic group most susceptible to SRLV infection. A prolificacy of infected ewes was 10% lower, a lamb rearing rate was 13% lower , and a general reproductive performance was 18% lower in comparison to healthy ewes.

Influence of Small Ruminant Lentivirus Infection on Reproductive Traits in Ewes

Department of Small Ruminants Breeding and Agriculture Advisor

Journal of Veterinary Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Influence of Small Ruminant Lentivirus Infection on Reproductive Traits in Ewes"}

The study included a sheep flock comprising five genetic groups. The ELISA was applied to perform constant monitoring (every six months) for the infection of...

Influence of Small Ruminant Lentivirus Infection on Reproductive Traits in Ewes

Pubblicato online: 15 mar 2013

Pagine: 15 - 18

DOI: https://doi.org/10.2478/bvip-2013-0003

Parole chiave
ewes, small ruminant lentiviruses, reproduction performance

© 2013

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Influence of Small Ruminant Lentivirus Infection on Reproductive Traits in Ewes

Pubblicato online: 15 mar 2013

Pagine: 15 - 18

DOI: https://doi.org/10.2478/bvip-2013-0003

Parole chiaveewes, small ruminant lentiviruses, reproduction performance

© 2013

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
ewes, small ruminant lentiviruses, reproduction performance